Dr. Lawrence Gerstle, MD
- Medicare services, 2024
- 358
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 163
- Hospital affiliations
- 3
- Industry payments
- $15
- Practice address
- 1200 Westwood Dr, Hamilton, MT 59840
- Practice phone
- Call (406) 363-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gerstle's professional email, personal email and mobile number
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Dr. Lawrence Gerstle is an internist in Hamilton, Montana
Dr. Gerstle practices at Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health.
Dr. Gerstle's NPI, 1467473322, was assigned on July 23, 2006. Dr. Gerstle holds Washington license MD00036426.
- NPI
- 1467473322NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062421860
- NPI enumeration date
- July 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 363-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence Gerstle practices at Bitterroot Health - Daly Hospital in Hamilton, Montana
Dr. Gerstle's primary practice is Bitterroot Health - Daly Hospital, at 1200 Westwood Dr, Hamilton, MT 59840 in Ravalli County. The practice phone is (406) 363-2211.
- Bitterroot Health - Daly Hospital1200 Westwood Dr, Hamilton, MT 59840 · Ravalli CountyPhone(406) 363-2211
Source: Dmand AI Affiliation Data
Dr. Lawrence Gerstle is affiliated with 3 sites of care and 5 medical groups
Dr. Gerstle's primary practice is Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health. Dr. Gerstle is also affiliated with Community Medical Center. The medical group on file is Bitterroot Health - Daly Hospital. Dmand AI also links Dr. Gerstle to 1 more hospital and 4 medical groups, each named with a free account. Dr. Gerstle's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lawrence Gerstle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerstle practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bitterroot Health - Daly Hospital | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lawrence Gerstle is one of 311 internists in Montana
Internal medicine is Dr. Gerstle's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gerstle is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Gerstle
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lawrence Gerstle billed Medicare for 358 services in 2024
CMS data shows 358 Medicare services from Dr. Gerstle across 8 procedure codes in 2024, for 152 Medicare patients. Medicare paid $24,850 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gerstle's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3382024: 3586%
Dr. Gerstle compared with the Montana median for internists, 2024
- Dr. Gerstle
- Montana median
- Medicare services
- 358vs 47625% below
- Medicare patients
- 152vs 25340% below
- Part D claims
- 77vs 14346% below
Medians across 340 internists in Montana with Dmand AI profiles that report each measure.
Dr. Gerstle's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gerstle and other internists in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence Gerstle treated 152 Medicare patients in 2024, average age 80
CMS counts 152 Medicare patients who saw Dr. Gerstle in 2024. The largest group is 85 and over, with 55 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gerstle's median patient age at 76, with 51% women.
Dr. Gerstle's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gerstle's Medicare patients by sex, 2024
- Women8355%
- Men6945%
Chronic conditions among Dr. Gerstle's Medicare patients, 2024
- High blood pressure75%
- High cholesterol66%
- Arthritis60%
- Atrial fibrillation38%
- Chronic kidney disease36%
- Heart failure36%
- COPD34%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerstle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lawrence Gerstle wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Gerstle wrote 163 Medicare Part D claims for 81 patients. 71% of them were for generic drugs. CMS names the drug for 77 of them, across 4 drugs with 11 or more claims each, at $5,969 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Gerstle's Part D claims by kind of drug, 2024
- Generic116 claims71%
- Brand-name47 claims29%
Dr. Gerstle's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gerstle's Part D claims, 2024
- Antibiotics24%39 of 163 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 122024: 77542%
Drugs named by CMS: 4 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Lawrence Gerstle takes part in Medicare
Dr. Gerstle accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Lawrence Gerstle received $15 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Gerstle from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $15.
Companies that paid Dr. Gerstle the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Lawrence Gerstle's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lawrence Gerstle
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lawrence Gerstle's NPI number?
Dr. Lawrence Gerstle's NPI number is 1467473322. It was assigned on July 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence Gerstle?
Dr. Lawrence Gerstle is an internist in Hamilton, Montana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lawrence Gerstle practice?
Dr. Gerstle practices at 1200 Westwood Dr, Hamilton, MT 59840. Dr. Gerstle's primary practice is Bitterroot Health - Daly Hospital in Hamilton, Montana, part of Bitterroot Health. Dmand AI also links Dr. Gerstle to 1 hospital and 4 medical groups.
What is Dr. Lawrence Gerstle's office phone number?
The practice phone on file for Dr. Gerstle is (406) 363-2211.
What is Dr. Lawrence Gerstle's medical license number?
Dr. Gerstle holds Washington license MD00036426.
Which hospitals is Dr. Lawrence Gerstle affiliated with?
Dr. Gerstle practices at Bitterroot Health - Daly Hospital in Hamilton, Montana. Dr. Gerstle is also affiliated with Community Medical Center. Dmand AI links Dr. Gerstle to 1 more hospital.
What medical group is Dr. Lawrence Gerstle part of?
Dr. Gerstle is linked to Bitterroot Health - Daly Hospital. Dmand AI links Dr. Gerstle to 4 more medical groups.
Does Dr. Lawrence Gerstle accept Medicare?
Yes. CMS data shows Dr. Gerstle billed Medicare for 358 services in 2024, and Dr. Gerstle accepts Medicare assignment.
How many Medicare patients does Dr. Lawrence Gerstle see?
CMS counts 152 Medicare patients who saw Dr. Gerstle in 2024, with an average age of 80.
What services does Dr. Lawrence Gerstle bill to Medicare?
In 2024, Dr. Gerstle's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and hospital inpatient care (99239).
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What drugs does Dr. Lawrence Gerstle prescribe most?
In 2024 Medicare Part D data, Dr. Gerstle's most prescribed drugs by claims were Cefuroxime, Levothyroxine Sodium and Prednisone.
Has Dr. Lawrence Gerstle received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Gerstle from 1 company from 2022 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Lawrence Gerstle been practicing?
Dr. Gerstle graduated from medical school in 1996, 30 years ago.
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